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.. _cloud-init:
################################
Configuring Vyos with cloud-init
################################
Vyos uses cloud-init to configure itself automatically in cloud environments.
There is a Meta-Data module `cc_vyos.py` that takes care of the cloud-specific configuration.
Additional module `cc_vyos_userdata.py` introduces a new parameter `vyos_config_commands` into User-Data (`#cloud-config`). This parameter should be a list of VyOS configuration commands that will be applied during deployment. This module will run last.
Commands requirements:
- one command per line
- if command ending by value, it must be inside single quotes: `set some option 'value'`, `delete some option 'value'`
- a single-quote symbol is not allowed inside command or value
The commands list produced by the `show configuration commands` command on a VyOS router should comply with all the requirements, so it is easy to get a proper commands list by copying it from another router.
Usage example (User-Data content):
```
#cloud-config
vyos_config_commands:
- set system host-name 'demo123'
- set system ntp server 1.pool.ntp.org
- set system ntp server 2.pool.ntp.org
- delete interfaces ethernet eth2 address
- set interfaces ethernet eth2 address '192.0.2.1/24'
```
References
----------
.. stop_vyoslinter
https://github.com/vyos/vyos-cloud-init/commit/1607eec32641ad93ea211e447336b3366c28de06
.. start_vyoslinter
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